Preview: Floyd Mayweather Jr. vs. Manny Pacquiao

Floyd Mayweather vs. Manny Pacquiao is a fight years in the making. | Photo: Dave Mandel/Sherdog.comWelterweights

Floyd Mayweather (47-0, 26 KOs) vs. Manny Pacquiao (57-5-2, 38 Kos)

After years of rumors, speculation, arguments and failed negotiations, boxing’s biggest fight is finally a reality.

The long-awaited showdown between Floyd Mayweather Jr. and Manny Pacquiao arrives at a time when the sweet science is experiencing something of a renaissance, with a number of interesting and entertaining cards populating network television thus far in 2015. This one, however, trumps them all.

Naysayers will argue that Mayweather-Pacquiao should have happened in 2009, but the fact remains that both men…